APPLICATION OF NANOMETER TiO2 PHOTOCATALYSIS MATERIAL IN AIR PURIFICATION
The production of oil mist in machinery processing workshop is harmful. To control concentration of oil mist, the TiO2 which can treatwith manifold organic pollutants is used to purify oil mist. At first, the nanometer TiO2 is prepared using the sol-gel method on the optimum formulation that showed a higher activity. Then it is treated by dip-coating technique using the non-woven fabric as composite support. The efficiency of suppression of oil mist is compared with ordinary materials. With the increase of time, the purification of the nanometer TiO2 photocatalyst sieve against oil mist of non-woven fabric is investigated in solar radiation at room temperature. It oxidizes pollutants of oilmist to CO2 and H2O. The experiments demonstrat oil mist is oxidized on the TiO2 sol at the 22 nd minute with a maximum capacity of 0.3219g. It infers from the experiments the photodegradation effect is high and the reaction is fast. It also concludes that the nanometer TiO2 photocatalysis material is an ideal material for suppressing oil mist in air. At last, a status the application of technologyin air purification as well as its problems and trends are presented. The technique has a promising prospect to solve the increasing air problem of the workshop.
oil mist nanometer TiO2 photocatalyst non-woven fabric air purification
Haiyan Hou Dongsheng Zhu Jun Cheng
The Key Laboratory of Enhanced Heat Transfer & Energy Conservation of Ministry of Education, The Sch Avon MFG (Guangzhou) Ltd, Guangzhou Guangdong, 510900, China
国际会议
海南三亚
英文
2007-01-10（万方平台首次上网日期，不代表论文的发表时间）